I see a jack labeled JT1. It has about 8 pins I remember. I wonder...
> On Nov 30, 2017, at 7:11 PM, Mark Sims <holrum at hotmail.com> wrote:
>> A lot Rb's from that era have TTL level serial interfaces that can drive most RS-232 ports directly. The PRS-10, SRO100, and LPFRS are examples.
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